Description

Cyclopentanone Ethylene Ketal is a high-purity, versatile chemical intermediate and protecting group reagent essential for advanced organic synthesis. Its primary value lies in its ability to protect ketone functionalities under a wide range of reaction conditions, enabling complex multi-step syntheses in fine chemical and pharmaceutical manufacturing. This compound is critically needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for the production of active pharmaceutical ingredients (APIs), fragrances, and complex organic molecules.

Application

• Pharmaceutical Intermediate: Key building block and protecting group in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators requiring ketone protection strategies.
• Fragrance & Flavor Industry: Serves as a precursor for the synthesis of musk compounds and other complex aroma chemicals.
• Organic Synthesis Reagent: Essential protecting group reagent in academic and industrial research laboratories for ketone functionalization.
• Polymer Chemistry: Potential monomer or modifier in the synthesis of specialty polymers with tailored properties.
• Material Science Research: Investigated as a precursor for novel organic frameworks and advanced materials.

Basic Information

Product Name	Cyclopentanone Ethylene Ketal
CAS No.	176-32-9
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	1,4-Dioxaspiro[4.4]nonane; Cyclopentanone Ethylene Acetal; 2,8,9-Trioxaspiro[4.4]nonane; Ethylene Cyclopentanone Ketal; Cyclopentanone, cyclic ethylene ketal; Spiro[1,3-dioxolane-2,1'-cyclopentane]
EINECS	205-656-8

Quality Control

Our Cyclopentanone Ethylene Ketal is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (IR, NMR), to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.445
Density (20°C)	1.02 - 1.06 g/mL

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.